2022 journal article

Inferring Human-Robot Performance Objectives During Locomotion Using Inverse Reinforcement Learning and Inverse Optimal Control


Contributors: W. Liu n, J. Zhong*, R. Wu*, B. Fylstra n, J. Si* & H. Huang n

author keywords: Learning from demonstration; reinforcement learning; wearable robotics
TL;DR: This study proposes a new inverse approach from observed human-robot walking behavior to infer a human- robot collective performance objective represented in a quadratic form and introduces a new tool to the field of wearable lower limb robots. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: February 14, 2022

2022 journal article

Patterns of long-term variations of nitrate concentration - Stream discharge relationships for a drained agricultural watershed in Mid-western USA


By: W. Liu n, S. Tian n, M. Youssef n, F. Birgand n & G. Chescheir n

author keywords: Storm hysteresis; Nitrogen legacy; Agricultural drainage; Non-point source pollution; Drainage water quality; Surface water quality
Sources: Web Of Science, NC State University Libraries
Added: November 7, 2022

2021 review

Event-scale hysteresis metrics to reveal processes and mechanisms controlling constituent export from watersheds: A review

[Review of ]. WATER RESEARCH, 200.

By: W. Liu*, F. Birgand n, S. Tian n & C. Chen*

author keywords: C-Q relationship; Hysteresis; High-frequency measurements; Nitrate; Watersheds; Statistical analyses
MeSH headings : Benchmarking; Environmental Monitoring; Rivers
TL;DR: A critical overview of technical approaches for hysteresis analysis for researchers is provided to advance the understanding of complex mechanisms in event-scale hydro-biogeochemical processes. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: July 19, 2021

2020 journal article

Processes and mechanisms controlling nitrate dynamics in an artificially drained field: Insights from high-frequency water quality measurements


By: W. Liu n, M. Youssef n, F. Birgand n, G. Chescheir n, S. Tian n & B. Maxwell n

author keywords: Animal waste application; C-Q relationship; Agricultural water management practices
Sources: Web Of Science, NC State University Libraries
Added: April 27, 2020

2016 journal article

Evaluating Retention Capacity of Infiltration Rain Gardens and Their Potential Effect on Urban Stormwater Management in the Sub-Humid Loess Region of China


author keywords: Rain garden; Stormrunoff; Design storm; Infiltration; Overflow; LID
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

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